Insulator pin



FIG. 1 is a front elevational view of an insulator pin showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front and upper left perspective view thereof shown on an enlarged scale. 

The ornamental design for an insulator pin, as shown and described. 